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A Study on the Nonlinear Analysis of Containment Building in Korea Standard Nuclear Power Plant  

Lee, Hong-Pyo (한전 전력연구원)
Choun, Young-Sun (한국원자력연구원)
Lee, Sang-Jin (경상대학교 건축학부)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.20, no.3, 2007 , pp. 353-364 More about this Journal
Abstract
In this paper, a nonlinear finite element analysis program NUCAS, which has been developed for assessment of ultimate pressure capacity and failure mode for nuclear containment building is described. Degenerated shell element with assumed strain method and low-order solid element with enhanced assumed strain method is adapted to microscopic material and elasto-plastic material model, respectively. Finally, the performance of the developed program is tested and demonstrated with several examples. From the numerical tests, the present results show a good agreement with experimental data or other numerical results.
Keywords
NUCAS; containment; microscopic material model; elasto-plastic material model; degenerated shell element; low-order solid element; nonlinear finite element analysis;
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